Dr Jeffrey Allen Williams, DC - Medicare Chiropractor in O Fallon, IL

Dr Jeffrey Allen Williams, DC is a medicare enrolled "Chiropractor" provider in O Fallon, Illinois. His current practice location is 2 Eagle Ctr, Ste 2, O Fallon, Illinois. You can reach out to his office (for appointments etc.) via phone at (618) 628-0800.

Dr Jeffrey Allen Williams is licensed to practice in Illinois (license number 038-008944) and he also participates in the medicare program. He does not accept medicare assignments directly but he may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. His NPI Number is 1306864137.

Contact Information

Dr Jeffrey Allen Williams, DC
2 Eagle Ctr, Ste 2,
O Fallon, IL 62269-1847
(618) 628-0800
(888) 753-6282

Map and Direction




Healthcare Provider's Profile

Full NameDr Jeffrey Allen Williams
GenderMale
SpecialityChiropractor
Location2 Eagle Ctr, O Fallon, Illinois
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1306864137
  • Provider Enumeration Date: 07/18/2006
  • Last Update Date: 08/08/2016
  Medicare PECOS Information:
  • PECOS PAC ID: 3870597735
  • Enrollment ID: I20060907000097

Medical Identifiers

Medical identifiers for Dr Jeffrey Allen Williams such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1306864137NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
111N00000XChiropractor 038-008944 (Illinois)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Dr Jeffrey Allen Williams allows following entities to bill medicare on his behalf.
Provider NameShiloh Chiropractic Llc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1063595239
PECOS PAC ID: 5496755274
Enrollment ID: O20061229000019
Provider NameChiropro Of Glened Llc Dba Chiropro Of Troy
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1336647403
PECOS PAC ID: 3870832322
Enrollment ID: O20190228001640
Provider NameChiropro Of Highland, Llc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1598224909
PECOS PAC ID: 7012259625
Enrollment ID: O20190501001612
Provider NameChiropro Of Columbia, Llc
Provider TypePart B Supplier - Clinic/group Practice
Provider IdentifiersNPI Number: 1669015228
PECOS PAC ID: 6204268824
Enrollment ID: O20191119002372

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Dr Jeffrey Allen Williams is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Dr Jeffrey Allen Williams, DC
2 Eagle Ctr, Ste 2,
O Fallon, IL 62269-1847

Ph: (618) 628-0800
Dr Jeffrey Allen Williams, DC
2 Eagle Ctr, Ste 2,
O Fallon, IL 62269-1847

Ph: (618) 628-0800

Reviews and Comments


Chiropractor in O Fallon, IL

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Phone: 618-624-9384    Fax: 618-624-9386

Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.